JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#">JS ZĂĽrich</a>

CSS

a {
    font-size: 1em;
    -webkit-transition: font-size 3s ease-in-out;
    -moz-transition: font-size 3s ease-in-out;     
    -o-transition: font-size 3s ease-in-out;     
    -ms-transition: font-size 3s ease-in-out;     
    transition: font-size 3s ease-in-out; 
}
a:hover { 
    font-size: 2em;
}